Young children ingesting too much fluoride can lead to tooth discolouration, known as dental fluorosis. In normal amounts, fluoride is extremely good at protecting teeth from cavities and even reversing the early stages of decay, but too much of it can cause teeth to appear stained.

Drinking tap water is the main source of fluoride, which contains on average about 0.7 milligrams of fluoride per litre. Other common fluoride sources are toothpaste, mouthwash, and dental office fluoride treatments. During early childhood, when permanent teeth are still forming under the gums, too much fluoride can cause dental fluorosis, meaning that when they coming in, they will be discoloured. After the permanent teeth have come in, fluoride will no longer cause discolouration.

While only cosmetic, dental fluorosis can steal the bright smile of a child. Discolouration caused by it can range from barely noticeable, to severe discolouration with a patchy brown appearance. To minimize the risk of dental fluorosis in children’s teeth, use a small amount of toothpaste, and always ensure that they spit out the toothpaste rather than swallowing it.

If you have any questions about dental fluorosis, feel free to contact us here at the Rideau Dental Centre by calling 613-230-7475.

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Patient Education

Patient education library includes information on various topics ranging from dental care to oral health problems.